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<?php
// $Id$
/**
* @file
* Colorbox theme functions.
*/
/**
* Returns HTML for an Colorbox image field formatter.
*
* @param $variables
* An associative array containing:
* - item: An array of image data.
* - image_style: An optional image style.
* - path: An array containing the link 'path' and link 'options'.
*
* @ingroup themeable
*/
function theme_colorbox_image_formatter($variables) {
$item = $variables['item'];
$node = $variables['node'];
$field = $variables['field'];
$image = array(
'path' => $item['uri'],
'alt' => $item['alt'],
'title' => $item['title'],
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'style_name' => $variables['colorbox_node_style'],
// If the title is empty use alt or the node title in that order.
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if (empty($image['title'])) {
if (!empty($image['alt'])) {
$image['title'] = $image['alt'];
}
elseif (!empty($node->title)) {
$image['title'] = $node->title;
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}
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// Shorten the title for the example styles or when title shortening is active.
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$colorbox_style = variable_get('colorbox_style', 'default');
$trim_length = variable_get('colorbox_title_trim_length', 75);
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if (((strpos($colorbox_style, 'colorbox/example') !== FALSE) || variable_get('colorbox_title_trim', 0)) && (drupal_strlen($item['title']) > $trim_length)) {
$image['title'] = drupal_substr($item['title'], 0, $trim_length - 5) . '...';
}
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// Build the gallery id.
$nid = !empty($node->nid) ? $node->nid : 'nid';
switch (variable_get('colorbox_imagefield_gallery', 1)) {
case 0:
$gallery_id = 'all';
break;
case 1:
$gallery_id = $nid;
break;
case 2:
$gallery_id = $nid . '-' . $field['field_name'];
break;
case 3:
$gallery_id = $nid . '-' . $field['fid'];
break;
}
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if ($style_name = $variables['colorbox_image_style']) {
$path = image_style_url($style_name, $image['path']);
}
else {
$path = file_create_url($image['path']);
}
return theme('colorbox_imagefield', array('image' => $image, 'path' => $path, 'title' => $image['title'], 'gid' => $gallery_id));
}
/**
* Returns HTML for an image using a specific Colorbox image style.
*
* @param $variables
* An associative array containing:
* - style_name: The name of the style to be used to alter the original image.
* - path: The path of the image file relative to the Drupal files directory.
* This function does not work with images outside the files directory nor
* with remotely hosted images.
* - alt: The alternative text for text-based browsers.
* - title: The title text is displayed when the image is hovered in some
* popular browsers.
* - gid: Gallery id.
* - attributes: Associative array of attributes to be placed in the img tag.
* - getsize: If set to TRUE, the image's dimension are fetched and added as
* width/height attributes.
*
*/
function theme_colorbox_imagefield($variables) {
if (!empty($variables['image']['style_name'])) {
$image = theme('image_style', $variables['image']);
}
else {
$image = theme('image', $variables['image']);
}
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$options = array(
'html' => TRUE,
'attributes' => array(
'title' => $variables['title'],
'class' => 'colorbox imagefield imagefield-imagelink',
'rel' => 'gallery-' . $variables['gid']
)
);
return l($image, $variables['path'], $options);
}
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/**
* Preprocess variables for the colorbox-insert-image.tpl.php file.
*/
function template_preprocess_colorbox_insert_image(&$variables) {
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$variables['file'] = file_load($variables['fid']);
$variables['image_path'] = image_style_url($variables['style_name'], $variables['file']->uri);
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if ($style_name = variable_get('colorbox_image_style', '')) {
$variables['link_path'] = image_style_url($style_name, $variables['file']->uri);
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}
else {
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$variables['link_path'] = file_create_url($variables['file']->uri);
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}
$variables['gallery_id'] = '';
switch (variable_get('colorbox_insert_gallery', 0)) {
case 0:
case 1:
case 2:
$variables['gallery_id'] = 'insert-all';
break;
case 3:
$variables['gallery_id'] = 'insert-' . $variables['item']['fid'];
break;
}
}